Home / 89,230.82-133,667.77-53,672.50

Finding the Fourth Proportional to 89,230.82, 133,667.77 and 53,672.50

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Solution

The fourth proportional to 89,230.82, 133,667.77 and 53,672.50 is: 80,401.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,230.82 : 133,667.77 = 53,672.50 : x
  2. Step 2: Convert to fraction form
    89,230.82/133,667.77 = 53,672.50/x
  3. Step 3: Cross multiply
    89,230.82x = 133,667.77 × 53,672.50
  4. Step 4: Simplify right side
    89,230.82x = 7,174,283,385.33
  5. Step 5: Solve for x
    x = 7,174,283,385.33/89,230.82
  6. Step 6: Final answer
    x = 80,401.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.